// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
 *
 * @author jennings
 * Date: Nov 12, 2008
 */
package androidx.gdata.xml;

import androidx.gdata.XMLSerializer;

import java.io.PrintWriter;

public abstract class ElementSerializer<T> implements XMLSerializer<T> {
  private int indentLevel;

  protected ElementSerializer(int indentLevel) {
    this.indentLevel = indentLevel;
  }

  protected void indent(PrintWriter out) {
    for (int i = 0; i < indentLevel; ++i) {
      out.print("  ");
    }
  }

  public void serialize(PrintWriter out, T element) {
    serializeOpeningTag(out, element);
    serializeElementBody(out, element);
    serializeClosingTag(out);
  }

  protected abstract void serializeOpeningTag(PrintWriter out, T element);
  protected abstract void serializeElementBody(PrintWriter out, T element);
  protected abstract void serializeClosingTag(PrintWriter out);
}